[thelist] Querying a legacy app

Les Lytollis leslytollis at dimensions-corporatewear.co.uk
Thu Aug 28 10:57:57 CDT 2003

Hi guys
Been away from the list for a while - back now, with a new job...and new
I am implementing a .NET B2B web-based ordering system which will get
its data from a Progress DB on AIX  fronted by a bespoke SOP system. For
a number of reasons, we want to let the SOP system query the Progress DB
rather than let the web app query it directly, so the web app will make
a request to the SOP system. 
The suppliers of the SOP system are prepared to make some sort of
listener to accept message requests, but what I can't get my head around
is how I get the message to and from the SOP system. Do I need to create
some sort of server or listener on the web app that can accept
responses? Is this a Web Service? A message queue? SOAP? Confused? You
will be...
I'd appreciate it if anyone can nudge me in the general direction  -
I've got a real mental block on this one!
Les Lytollis
Web Developer

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